Proportional representation in the context of "One man, one vote"

Direct election is a system of choosing political officeholders in which the voters directly cast ballots for the persons or political party that they want to see elected. The method by which the winner or winners of a direct election are chosen depends upon the electoral system used. The most commonly used systems are the plurality system and the two-round system for single-winner elections, such as a presidential election, and plurality block voting and proportional representation for the election of a legislature or executive.

By contrast, in an indirect election, the voters elect a body which in turn elects the officeholder in question. In other settings, politicians and office holders are appointed.

The House of Representatives (衆議院, Shūgiin; Japanese pronunciation: [ɕɯː.ɡʲiꜜ.iɴ, -ŋʲiꜜ-]) is the lower house of the National Diet of Japan. The House of Councillors is the upper house.The composition of the House is established by Article 41 [ja] and Article 42 [ja] of the Constitution of Japan. The House of Representatives has 465 members, elected for a four-year term. Of these, 176 members are elected from 11 multi-member constituencies by a party-list system of proportional representation, and 289 are elected from single-member constituencies.

The overall voting system used to elect the House of Representatives is a parallel system, a form of semi-proportional representation. Under a parallel system, the allocation of list seats does not take into account the outcome in the single seat constituencies. Therefore, the overall allocation of seats in the House of Representatives is not fullly proportional, to the advantage of larger parties.

An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provide the voters therein with representation in a legislature or other polity. That legislative body, the state's constitution, or a body established for that purpose determines each district's boundaries and whether each will be represented by a single member or multiple members. Generally, only voters (constituents) who reside within the district are permitted to vote in an election held there. The district representative or representatives may be elected by single-winner first-past-the-post system, a multi-winner proportional representative system, or another voting method.

The district members may be selected by a direct election under wide adult enfranchisement, an indirect election, or direct election using another form of suffrage.

Federal elections were held in Germany on 19 January 1919 to elect a national constituent assembly that would write a new constitution for Germany following the collapse of the German Empire at the end of World War I. The election, which took place amid the sometimes violent political upheaval of the German revolution, used a form of proportional representation, lowered the voting age to 20 and allowed women to vote for the first time.

With the exception of the Social Democratic Party (SPD) and the Centre Party (which ran under the name 'Christian People's Party'), the major parties which took part in the election were newly formed from elements of parties that had been active during the German Empire. The three-week-old Communist Party of Germany (KPD) chose not to participate.

A Member of the European Parliament (MEP) is a person who has been elected to serve as a popular representative in the European Parliament.

When the European Parliament (then known as the Common Assembly of the European Coal and Steel Community) first met in 1952, its members were directly appointed by the governments of member states from among those already sitting in their own national parliaments. Since 1979, however, MEPs have been elected by direct universal suffrage every five years. Each member state establishes its own method for electing MEPs – and in some states this has changed over time – but the system chosen must be a form of proportional representation. Some member states elect their MEPs to represent a single national constituency; other states apportion seats to sub-national regions for election.

The Alþingi (Icelandic: [ˈalˌθiɲcɪ]; Icelandic for 'general meeting'), anglicised as Althingi or Althing, is the supreme national parliament of Iceland. It is the oldest surviving parliament in the world. The Althing was founded in 930 at Þingvellir ('thing fields' or 'assembly fields'), about 45 kilometres (28 mi) east of what later became the country's capital, Reykjavík. After Iceland's union with Norway in 1262, the Althing lost its legislative power, which was not restored until 1904 when Iceland gained home rule from Denmark. For 641 years, the Althing did not serve as the parliament of Iceland; ultimate power rested with the Norwegian, and subsequently, Danish throne. Even after Iceland's union with Norway in 1262, the Althing still held its sessions at Þingvellir until 1800, when it was discontinued. It was restored in 1844 by royal decree and moved to Reykjavík. The restored unicameral legislature first came together in 1845 and after 1874 operated in two chambers with an additional third chamber taking on a greater role as the decades passed until 1991 when Althing became once again unicameral. The present parliament building, the Alþingishús, was built in 1881, made of hewn Icelandic stone. The unicameral parliament has 63 members, and is elected every four years based on party-list proportional representation. The current speaker of the Althing, since February 2025, is Þórunn Sveinbjarnardóttir.

The constitution of Iceland provides for six electoral constituencies with the possibility of an increase to seven. The constituency boundaries and the number of seats allocated to each constituency are fixed by legislation. No constituency can be represented by fewer than six seats. Furthermore, each party with more than 5% of the national vote is allocated seats based on its proportion of the national vote in order that the number of members in parliament for each political party should be more or less proportional to its overall electoral support. If the number of voters represented by each member of the Althing in one constituency would be less than half of the comparable ratio in another constituency, the Icelandic National Electoral Commission is tasked with altering the allocation of seats to reduce that difference.

The Northern Ireland Assembly (Irish: Tionól Thuaisceart Éireann; Ulster Scots: Norlin Airlan Assemblie), often referred to by the metonym Stormont, is the devolved unicameral legislature of Northern Ireland. It has power to legislate in a wide range of areas that are not explicitly reserved to the Parliament of the United Kingdom, and to appoint the Northern Ireland Executive. It sits at Parliament Buildings at Stormont in Belfast.

The Assembly is a unicameral, democratically elected body comprising 90 members known as members of the Legislative Assembly (MLAs). Members are elected under the single transferable vote form of proportional representation (STV-PR). In turn, the Assembly selects most of the ministers of the Northern Ireland Executive using the principle of power-sharing under the D'Hondt method to ensure that Northern Ireland's largest voting blocs, British unionists and Irish nationalists, both participate in governing the region. The Assembly's standing orders allow for certain contentious motions to require a cross-community vote; in addition to requiring the support of an overall majority of members, such votes must also be supported by a majority within both blocs in order to pass.

28°37′2″N 77°12′29″E / 28.61722°N 77.20806°E / 28.61722; 77.20806The Parliament of India (ISO: Bhāratīya Saṁsada) is the supreme legislative body of the Government of the Republic of India. It is a bicameral legislature composed of the Rajya Sabha (Council of States) and the Lok Sabha (House of the People). The President of the Republic of India, in their role as head of the legislature, has full powers to summon and prorogue either house of Parliament or to dissolve the Lok Sabha, but they can exercise these powers only upon the advice of the Prime Minister of the Republic of India and the Union Council of Ministers.

Those elected or nominated (by the president) to either house of the Parliament are referred to as members of Parliament (MPs). The members of parliament in the Lok Sabha are directly elected by the voting of Indian citizens in single-member districts and the members of parliament in the Rajya Sabha are elected by the members of all state legislative assemblies by proportional representation. The Parliament has a sanctioned strength of 543 in the Lok Sabha and 245 in the Rajya Sabha including 12 nominees from the expertise of different fields of literature, art, science, and social service. The Parliament meets at Sansad Bhavan in New Delhi. The Parliament of India represents the largest democratic electorate in the world (the second being the European Parliament), with an electorate of 968 million eligible voters in 2024. On 28 May 2023, Prime Minister Narendra Modi, unveiled and inaugurated the New Parliament Building (Sansad Bhavan), located adjacent to the previous one.

Dáil Éireann (/dɑːl ˈɛərən/ dahl AIR-ən; Irish: [ˌd̪ˠaːlʲ ˈeːɾʲən̪ˠ], lit. 'Assembly of Ireland') is the lower house and principal chamber of the Oireachtas, which also includes the president of Ireland and a senate called Seanad Éireann. It consists of 174 members, each known as a Teachta Dála (plural Teachtaí Dála, commonly abbreviated as TDs). TDs represent 43 constituencies and are directly elected for terms not exceeding five years, on the system of proportional representation using the single transferable vote (PR-STV). Its powers are similar to those of lower houses under many other bicameral parliamentary systems and it is by far the dominant branch of the Oireachtas. Subject to the limits imposed by the Constitution of Ireland, it has the power to pass any law it wishes, and to nominate and remove the Taoiseach (head of government). Since 1922, it has met in Leinster House in Dublin.

The Dáil took its current form when the 1937 Constitution was adopted, but it maintains continuity with the First Dáil established in 1919.